1398800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:300

約数の個数: 60

約数和(自身を含む): 3632580

約数和(自身を除く): 2233780

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 269, 325, 400, 520, 538, 650, 1040, 1076, 1300, 1345, 2152, 2600, 2690, 3497, 4304, 5200, 5380, 6725, 6994, 10760, 13450, 13988, 17485, 21520, 26900, 27976, 34970, 53800, 55952, 69940, 87425, 107600, 139880, 174850, 279760, 349700, 699400, 1398800]

約数ペア:

[(1, 1398800), (2, 699400), (4, 349700), (5, 279760), (8, 174850), (10, 139880), (13, 107600), (16, 87425), (20, 69940), (25, 55952), (26, 53800), (40, 34970), (50, 27976), (52, 26900), (65, 21520), (80, 17485), (100, 13988), (104, 13450), (130, 10760), (200, 6994), (208, 6725), (260, 5380), (269, 5200), (325, 4304), (400, 3497), (520, 2690), (538, 2600), (650, 2152), (1040, 1345), (1076, 1300)]